GPT-5.3 Chat (latest)
gpt
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Tool CallingAttachmentsStructured Output
Context Window
128K
Max Output
16K
Temperature
Yes
Open Weights
No
Knowledge Cutoff
2025-08-31
Released
2026-03-03
Last Updated
2026-03-03
Modalities
Input:TextImage
→Output:Text
Available Providers (2)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
 Merge Gateway | Rp 31.559 | Rp 252.472 | Rp 3.156 | — | — | — |
 OrcaRouter | Rp 31.559 | Rp 252.472 | Rp 3.156 | — | — | — |